C133323133112111133133313331333133313231322331333133313222212221   >>    C13332313311211113313331333133313331323132233133313331322221222   <<    C133323133112111133133313331333133313231322331333133313222212223   >>      C133323133112111133133313331333133313231322331333133313222212222   >>